33212201222 has 16 divisors (see below), whose sum is σ = 52262042400. Its totient is φ = 15807650880.

The previous prime is 33212201189. The next prime is 33212201233. The reversal of 33212201222 is 22210221233.

It is a happy number.

It is a super-2 number, since 2×33212201222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33212201194 and 33212201203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028447 + ... + 4036682.

It is an arithmetic number, because the mean of its divisors is an integer number (3266377650).

Almost surely, 2^33212201222 is an apocalyptic number.

33212201222 is a deficient number, since it is larger than the sum of its proper divisors (19049841178).

33212201222 is a wasteful number, since it uses less digits than its factorization.

33212201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065231.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33212201222 its reverse (22210221233), we get a palindrome (55422422455).

The spelling of 33212201222 in words is "thirty-three billion, two hundred twelve million, two hundred one thousand, two hundred twenty-two".